[2] In 2005 the club merged with Hisingstads IS to form Hisingsbacka FC[3] which is where Strandberg stayed and eventually got to make his first team debut in the seventh tier of Swedish football at age 15.
[5] In the summer of 2014, he was subject for a move to German side Borussia Dortmund but the player failed the medical, so the transfer did not materialize.
[8] After scoring seven goals in ten games Strandberg caught negative attention by grabbing teammate Daniel Sundgren by the throat after a 3–2 win against Falkenberg causing a two-game suspension.
[11] On 9 August 2017, Club Brugge agreed a fee in the excess of €1 million with Swedish champions Malmö FF for Strandberg who was set for a medical the same day ahead of a permanent move with a contract until 2021.
[19] In September 2013, Strandberg was selected to the Sweden men's national under-17 football team that would compete in the 2013 FIFA U-17 World Cup.